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I took and cleaned the throttle body took it off and cleaned it. I cleaned the IAC let the battery stay disconnected the whole entire time of doing this process. Started it back up 5 seconds later idle drops check engine light comes on.I unplug the IAC while its running runs just a little bit rougher. I found what I think is the spout connector I unplug it and it runs just a little rougher you notice it more when you plug the jumper in than when you pull it out. I checked for continuity with jumper in checked ok. I took my meter put the red on +battery then put ground lead on pink wire on top plug of DIS module that is what I have been told to do. With the truck at idle it read 2.500 to 2.603 volts you start to give it gas it jumps to 1.25 volts up to about 7.89 volts that's about where I stop revving it. I install remote starts car alarms for a living this looks to be the tach wire from the DIS module. When you check for tach signal it should be between 1 to 6 volts mine is at about 1/4 of a volt. Also the sound my truck makes while running take in mind that it has glass packs or cherry bomb one of those not for sure with high performance cat. They have 3 to 5 thousand miles on that exhaust but while its running bad it makes a putt putt putt putt sound. I'm thinking about taking the DIS module off and having O'rielly check it out again because now my truck seems to be running like this all the time. It started off doing this once in a week to 2 week period. Sorry this is so long your help is been greatly appreciated.
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